Great idea! Rated 4 out of 5 stars
This is a great idea because I have been getting so frustrated with every new release of Firefox then my favorite add-ons don't work.
Although a couple add-ons of which increase my productivity are disabled, and there is no way to enable them even with this add-on installed. Restarting Firefox doesn't seem to help either. I'm not sure if this is a bug of if this is on purpose. It seems as it may be a bug but at the same time it's by design on accident most likely.